Sensitivity-based model updating for structural damage identification using total variation regularization

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Sensitivity-based model updating for structural damage identification using total variation regularization

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作者：Niklas Grip<sup>asup><sup> ; sup><sup>1sup><sup> ; sup><sup>Niklas.Grip@ltu.se" class="auth_mail" title="E-mail the corresponding authorsup> ; Natalia Sabourova<sup>asup><sup> ; sup><sup>1sup><sup> ; sup><sup>2sup><sup> ; sup><sup>Natalia.Sabourova@ltu.se" class="auth_mail" title="E-mail the corresponding authorsup> ; Yongming Tu<sup>bsup><sup> ; sup><sup>3sup><sup> ; sup><sup>tuyongming@seu.edu.cn" class="auth_mail" title="E-mail the corresponding authorsup><sup> ; sup><sup>yongming.tu@ltu.se" class="auth_mail" title="E-mail the corresponding authorsup>
关键词：Finite element model updating ; Structural damage identification ; Total variation regularization ; (pseudo) Huber function ; Interpolation ; Reinforced concrete plate
刊名：Mechanical Systems and Signal Processing
出版年：2017
出版时间：1 February 2017
年：2017
卷：84
期：part_PA
页码：365-383
全文大小：3026 K

文摘

class="label">•: Damage identification with a total variation regularization is proposed.
class="label">•: (Pseudo) Huber total variation and Tikhonov type regularizations are considered.
class="label">•: These methods are tested on a reinforced concrete plate with and without damage.
class="label">•: (Pseudo) Huber regularization is free from over-smoothing inherent in interpolation method.
class="label">•: More precise damage identification with (pseudo) Huber than with interpolating functions is found.

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